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Our Capabilities

• 16 Modern CNC Machines

• 13 ID/OD Grinding Machines

• In-House EDM & Waterjet

• Advanced CAD/CAM Capabilities

• 5-Axis High-Speed Machining

• Exotic Materials Machining

• Reliable, Fast Deliveries

• Quality & Service since 1944

Learn More about RF Cook

We've delivered quality & service since 1944.

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About RF Cook Manufacturing Company

R.F. Cook Manufacturing Company was founded in 1944 by Ray Cook in Cuyahoga Falls, Ohio. From the beginning, R.F. Cook focused on the tough jobs that nobody else wanted to do. The company built a reputation for quick-turnaround, close-tolerance machining using carbide and other exotic materials. In 1969, R.F. Cook built an 18,000-square-foot, climate-controlled manufacturing facility in Stow, Ohio. In 2015, an additional 4,500 square-foot, climate-controlled clean room was added. The company continues to expand and prosper serving a growing group of worldwide customers in a variety of industries.
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Our Founder Ray Cook

When Ray retired in 1986, Pete LeVan bought the company and continues the tradition. Today, R.F. Cook combines old-fashioned machining know-how with state-of-the-art manufacturing technology to offer you a one-stop solution like no other. “Our customers call it ‘multiplicity,’” explains Pete. “With our specialty in low-volume, close tolerance-machining and grinding, R.F. Cook supplies tooling, inspection gauges, assemblies, replacement parts, repair services, cryogenic processing, and more.” One look at our equipment list and you will see the broad scope of our capabilities. And, behind our modern equipment stands a talented workforce with decades of manufacturing experience. This is truly a powerful combination that delivers quality and value second to none.
When it comes to service, R.F. Cook Manufacturing is in a class by itself. The nature of our business demands top quality and fast, reliable delivery…every time. What others quote in weeks, R.F. Cook ships in days. That is why companies around the world, from aerospace to automotive to foodservice, turn to R.F. Cook for their critical machining requirements. From tooling to components to assemblies, when you need it done right and done right now, you need R.F. Cook Manufacturing. Contact us today and find out what we can do for you.

What others quote in weeks, RF Cook ships in days.

RF Cook is ISO 9001:2015 Certified

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What's New at RF Cook

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New Precision Waterjet Cutting at RF Cook

February 2020

RF Cook has added waterjet cutting to our growing list of precision manufacturing services. Our new, American-built WARDjet A-0612 Waterjet Cutting Machine features powerful abrasive waterjet cutting with incredible speed and accuracy on virtually any material up to 7.0” thick. The cutting envelope is 24” x 48” with a linear positional accuracy of +- .003” and repeatability of +-.002” and cutting speeds up to 500 inches/minute. Waterjet cutting is ideal as a cold abrasive process that delivers precision, net-shape results with no heat-affected zones and no material hardening or distortion.

The addition of waterjet cutting represents a significant expansion of our already robust list of manufacturing options. Whether used as a stand-alone process or in conjunction with our CNC machining operations, waterjet cutting can save you time and money on your next requirement. Contact us to learn more about the cutting-edge precision manufacturing options now available at R.F. Cook Manufacturing Company.


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A New Mitsubishi MV2400S EDM

April 2019

R.F. Cook has purchased a new Mitsubishi MV2400S EDM, effectively doubling our existing capacity for wire EDM. Our new machine features an innovative and highly-reliable non-contact cylindrical drive system and an advanced M800 series control. With a 41.3” x 32.3” x 12.0” maximum workpiece capacity this wire EDM can handle your larger requirements with ease and unprecedented precision, including straight-line accuracy within 5?m on workpieces up to 7.9” thick.

R.F. Cook has always responded to increased customer demand with expanded manufacturing capacity and enhanced quality and reliability. We are committed to delivering the best products and customer service in the business, and we’ll be there when you need us with the precision machining capacity that delivers your parts on time. You can count on us.


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R.F. Cook adds a DMG Mori CMX 50 U 5-Axis VMC

July 2018

R.F. Cook is pleased to announce the addition of a new DMG Mori CMX 50 U Vertical Machining Center, further increasing the capacity of our already robust CNC milling department. Our new CMX 50 U VMC offers the absolute state-of-the-art in 5-axis CNC machining with a C-Frame cast iron bed for superior rigidity and vibration damping, resulting in exceptional dimensional accuracy and superior surface finishes in a wide variety of materials. A 12,000-rpm, 17.4-hp in-line spindle provides super-efficient, high-speed machining for enhanced cost-savings with faster cycle times. With a 30-tool capacity, all-axis rapid traverse, and 19.7” x 17.7” x 15.7” xyz travel, this workhorse is built to handle your most demanding precision machining requirements.

R.F. Cook is proud to offer our customers the latest in CNC machining technology. Contact us and we’ll show you how we can save you time and money with our cutting-edge 5-axis precision machining capabilities.


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A New, 4,500-Square-Foot Climate-Controlled Clean Room

November 2016

R.F. Cook Manufacturing is pleased to announce the completion of our new, 4,500-square-foot, climate-controlled clean room. Our new facility was constructed in order to create the ideal conditions for holding tight tolerances to .00001” on geometry, and .000025" on size. This level of dimensional accuracy requires not only a closely-controlled ambient temperature and an ultra-high level of cleanliness; it also demands highly-skilled and experienced craftsmen and the latest in state-of-the-art manufacturing technology.

R.F. Cook Manufacturing has some of the most advanced machine tools in the industry, including a DMG Mori DMU 65 FD monoBLOCK® Universal Milling Machine. When you combine a high-tech manufacturing environment with decades of hands-on machining expertise, you get a precision manufacturer who delivers super-close-tolerance accuracy and reliability, every time.


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New Zeiss Prismo Ultra CMM

October 2016

R.F. Cook Manufacturing has recently added a new Zeiss Prismo Ultra Coordinate Measuring Machine. This state-of-the-art machine is equipped with a VAST gold probe head and a 16” computer-controlled rotary table. With a measuring capacity of 900mm x 1,300mm x 650mm XYZ (35.43” x 51.18” x 25.59”), super-accurate glass-ceramic scales, and carbon-fiber construction with elastomer vibration damping; our new CMM delivers high-speed dimensional inspection through tangential approach and scanning with maximum precision and guaranteed accuracy, including dynamic stylus calibration.

Our commitment to uncompromising quality through cutting-edge technology has been at the foundation of our success since 1944. Contact us today to learn more about our new Zeiss CMM and the total-quality environment at R.F. Cook Manufacturing.


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New DMG Mori DMU 65 FD monoBLOCK® Universal Milling Machine

April 2015

R.F. Cook Manufacturing now has one of the most advanced, ultra-precision machine tools on the planet; and the only one in North Central Ohio. Our new DMG Mori DMU 65 FD monoBLOCK® Universal Milling Machine represents the next generation in modern machine tool design. Featuring 5-axis simultaneous machining with a 33.1” diameter x 19.7” maximum workpiece capacity, NC swivel rotary table, 18,000-rpm motor, and a 60-tool magazine, our new DMG Mori DMU 65 FD can perform complete machining – including milling, turning, and complex contouring operations – in one setup. This Universal Milling Machine is designed for maximum efficiency, saving us both time and money and allowing us to offer enhanced value and reduced lead times for our customers.

With a total of fifteen advanced CNC machine tools and in-house grinding and EDM, RF Cook Manufacturing has the equipment and the hands-on precision machining expertise to handle your most complex and demanding requirements. To learn more about the cutting-edge CNC machining solutions available at RF Cook Manufacturing please contact us today.